Computer graphics processing and selective visual display system – Display driving control circuitry – Controlling the condition of display elements
Reexamination Certificate
1996-09-06
2001-08-14
Alam, Hosain T. (Department: 2172)
Computer graphics processing and selective visual display system
Display driving control circuitry
Controlling the condition of display elements
C084S645000
Reexamination Certificate
active
06275222
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention relates to a system and method for synchronizing a graphic image and a media event.
INTRODUCTION TO THE INVENTION
Our work extends to synchronizing a graphic image and a media event by way of a digital computer. By the notion, a “media event”, we mean, e.g., the contents of an audio file, a MIDI file (Musical Instrument Digital Interface), a computer animation, or a video file; and, by the notion “a graphic image”, we mean a semiotic construct e.g., a printed or hand-crafted musical score, a sketch, remarks, a storyboard, or an ethnic notation. For the sake of pedagogy, however, the following discussion references a particular (illustrative) case, wherein the media event comprises a digital compact disk (CD) representation of a musical performance and, the graphic image comprises a corresponding printed musical score from whence the performance can be realized.
SUMMARY OF THE INVENTION
We note that navigation through musical material in computer systems has always been a difficult problem. For example, typical extant systems present the music at a very low level (as an audio signal or time-line), or the musical score produced from an internal representation of the musical material looks clumsy or unprofessional.
We have now discerned a methodology and discovered a computer system in which any arbitrary set of graphical images can be used to navigate through musical material (i.e., the media event). A central concept, to this end, is the following. Musical material may be “read through” by a user while listening to the music and pointing to a corresponding position in the music (e.g., with a mouse, a touch/screen, or graphic tablet). This tracking information may be stored with the graphical image as a time-place mapping. In navigation through the musical material, the mapping may be used in inverse form to calculate musical time from a place pointed at in the score.
Accordingly, given this tracking information, selections of musical fragments can be made and operations (replay, record etc.) can be done depending on a particular realization of the present invention, and of which it thereby becomes a “front-end”. In a collaborative setup, different score layouts (parts) may be coordinated through the use of the time-place maps. These advantages, and others, are further detailed below.
We now disclose the invention by way of a computer system comprising:
1) means for storing a time-based media file corresponding to a media event;
2) means for storing a graphic image corresponding to the media event; and
3) means for relating time position in the media file with spatial position in the graphic image, so that a time-place mapping is created between the media file and the graphic image.
In a second aspect, the present invention discloses a computer method comprising the steps of:
1) storing a time-based media file that corresponds to a portion of a media event;
2) storing a graphic image that corresponds to a portion of the media event; and
3) relating time position in the media file with spatial position in the graphic image by moving a pointing device over the graphic image while the media file is presented, thereby constructing a time-place mapping between the media file and the graphic image.
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Alam Hosain T.
International Business Machines - Corporation
Kaufman Stephen C.
Kindred Alford W.
McGuireWoods LLP
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